t/t5304-prune.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2008 Johannes E. Schindelin
   4 #
   5
   6 test_description='prune'
   7 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   8 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   9
  10 . ./test-lib.sh
  11
  12 day=$((60*60*24))
  13 week=$(($day*7))
  14
  15 add_blob() {
  16         before=$(git count-objects | sed "s/ .*//") &&
  17         BLOB=$(echo aleph_0 | git hash-object -w --stdin) &&
  18         BLOB_FILE=.git/objects/$(echo $BLOB | sed "s/^../&\//") &&
  19         verbose test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
  20         test_path_is_file $BLOB_FILE &&
  21         test-tool chmtime =+0 $BLOB_FILE
  22 }
  23
  24 test_expect_success setup '
  25         >file &&
  26         git add file &&
  27         test_tick &&
  28         git commit -m initial &&
  29         git gc
  30 '
  31
  32 test_expect_success 'bare repo prune is quiet without $GIT_DIR/objects/pack' '
  33         git clone -q --shared --template= --bare . bare.git &&
  34         rmdir bare.git/objects/pack &&
  35         git --git-dir=bare.git prune --no-progress 2>prune.err &&
  36         test_must_be_empty prune.err &&
  37         rm -r bare.git prune.err
  38 '
  39
  40 test_expect_success 'prune stale packs' '
  41         orig_pack=$(echo .git/objects/pack/*.pack) &&
  42         >.git/objects/tmp_1.pack &&
  43         >.git/objects/tmp_2.pack &&
  44         test-tool chmtime =-86501 .git/objects/tmp_1.pack &&
  45         git prune --expire 1.day &&
  46         test_path_is_file $orig_pack &&
  47         test_path_is_file .git/objects/tmp_2.pack &&
  48         test_path_is_missing .git/objects/tmp_1.pack
  49 '
  50
  51 test_expect_success 'prune --expire' '
  52         add_blob &&
  53         git prune --expire=1.hour.ago &&
  54         verbose test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
  55         test_path_is_file $BLOB_FILE &&
  56         test-tool chmtime =-86500 $BLOB_FILE &&
  57         git prune --expire 1.day &&
  58         verbose test $before = $(git count-objects | sed "s/ .*//") &&
  59         test_path_is_missing $BLOB_FILE
  60 '
  61
  62 test_expect_success 'gc: implicit prune --expire' '
  63         add_blob &&
  64         test-tool chmtime =-$((2*$week-30)) $BLOB_FILE &&
  65         git gc &&
  66         verbose test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
  67         test_path_is_file $BLOB_FILE &&
  68         test-tool chmtime =-$((2*$week+1)) $BLOB_FILE &&
  69         git gc &&
  70         verbose test $before = $(git count-objects | sed "s/ .*//") &&
  71         test_path_is_missing $BLOB_FILE
  72 '
  73
  74 test_expect_success 'gc: refuse to start with invalid gc.pruneExpire' '
  75         git config gc.pruneExpire invalid &&
  76         test_must_fail git gc
  77 '
  78
  79 test_expect_success 'gc: start with ok gc.pruneExpire' '
  80         git config gc.pruneExpire 2.days.ago &&
  81         git gc
  82 '
  83
  84 test_expect_success 'prune: prune nonsense parameters' '
  85         test_must_fail git prune garbage &&
  86         test_must_fail git prune --- &&
  87         test_must_fail git prune --no-such-option
  88 '
  89
  90 test_expect_success 'prune: prune unreachable heads' '
  91         git config core.logAllRefUpdates false &&
  92         >file2 &&
  93         git add file2 &&
  94         git commit -m temporary &&
  95         tmp_head=$(git rev-list -1 HEAD) &&
  96         git reset HEAD^ &&
  97         git reflog expire --all &&
  98         git prune &&
  99         test_must_fail git reset $tmp_head --
 100 '
 101
 102 test_expect_success 'prune: do not prune detached HEAD with no reflog' '
 103         git checkout --detach --quiet &&
 104         git commit --allow-empty -m "detached commit" &&
 105         git reflog expire --all &&
 106         git prune -n >prune_actual &&
 107         test_must_be_empty prune_actual
 108 '
 109
 110 test_expect_success 'prune: prune former HEAD after checking out branch' '
 111         head_oid=$(git rev-parse HEAD) &&
 112         git checkout --quiet main &&
 113         git reflog expire --all &&
 114         git prune -v >prune_actual &&
 115         grep "$head_oid" prune_actual
 116 '
 117
 118 test_expect_success 'prune: do not prune heads listed as an argument' '
 119         >file2 &&
 120         git add file2 &&
 121         git commit -m temporary &&
 122         tmp_head=$(git rev-list -1 HEAD) &&
 123         git reset HEAD^ &&
 124         git prune -- $tmp_head &&
 125         git reset $tmp_head --
 126 '
 127
 128 test_expect_success 'gc --no-prune' '
 129         add_blob &&
 130         test-tool chmtime =-$((5001*$day)) $BLOB_FILE &&
 131         git config gc.pruneExpire 2.days.ago &&
 132         git gc --no-prune &&
 133         verbose test 1 = $(git count-objects | sed "s/ .*//") &&
 134         test_path_is_file $BLOB_FILE
 135 '
 136
 137 test_expect_success 'gc respects gc.pruneExpire' '
 138         git config gc.pruneExpire 5002.days.ago &&
 139         git gc &&
 140         test_path_is_file $BLOB_FILE &&
 141         git config gc.pruneExpire 5000.days.ago &&
 142         git gc &&
 143         test_path_is_missing $BLOB_FILE
 144 '
 145
 146 test_expect_success 'gc --prune=<date>' '
 147         add_blob &&
 148         test-tool chmtime =-$((5001*$day)) $BLOB_FILE &&
 149         git gc --prune=5002.days.ago &&
 150         test_path_is_file $BLOB_FILE &&
 151         git gc --prune=5000.days.ago &&
 152         test_path_is_missing $BLOB_FILE
 153 '
 154
 155 test_expect_success 'gc --prune=never' '
 156         add_blob &&
 157         git gc --prune=never &&
 158         test_path_is_file $BLOB_FILE &&
 159         git gc --prune=now &&
 160         test_path_is_missing $BLOB_FILE
 161 '
 162
 163 test_expect_success 'gc respects gc.pruneExpire=never' '
 164         git config gc.pruneExpire never &&
 165         add_blob &&
 166         git gc &&
 167         test_path_is_file $BLOB_FILE &&
 168         git config gc.pruneExpire now &&
 169         git gc &&
 170         test_path_is_missing $BLOB_FILE
 171 '
 172
 173 test_expect_success 'prune --expire=never' '
 174         add_blob &&
 175         git prune --expire=never &&
 176         test_path_is_file $BLOB_FILE &&
 177         git prune &&
 178         test_path_is_missing $BLOB_FILE
 179 '
 180
 181 test_expect_success 'gc: prune old objects after local clone' '
 182         add_blob &&
 183         test-tool chmtime =-$((2*$week+1)) $BLOB_FILE &&
 184         git clone --no-hardlinks . aclone &&
 185         (
 186                 cd aclone &&
 187                 verbose test 1 = $(git count-objects | sed "s/ .*//") &&
 188                 test_path_is_file $BLOB_FILE &&
 189                 git gc --prune &&
 190                 verbose test 0 = $(git count-objects | sed "s/ .*//") &&
 191                 test_path_is_missing $BLOB_FILE
 192         )
 193 '
 194
 195 test_expect_success 'garbage report in count-objects -v' '
 196         test_when_finished "rm -f .git/objects/pack/fake*" &&
 197         test_when_finished "rm -f .git/objects/pack/foo*" &&
 198         >.git/objects/pack/foo &&
 199         >.git/objects/pack/foo.bar &&
 200         >.git/objects/pack/foo.keep &&
 201         >.git/objects/pack/foo.pack &&
 202         >.git/objects/pack/fake.bar &&
 203         >.git/objects/pack/fake.keep &&
 204         >.git/objects/pack/fake.pack &&
 205         >.git/objects/pack/fake.idx &&
 206         >.git/objects/pack/fake2.keep &&
 207         >.git/objects/pack/fake3.idx &&
 208         git count-objects -v 2>stderr &&
 209         grep "index file .git/objects/pack/fake.idx is too small" stderr &&
 210         grep "^warning:" stderr | sort >actual &&
 211         cat >expected <<\EOF &&
 212 warning: garbage found: .git/objects/pack/fake.bar
 213 warning: garbage found: .git/objects/pack/foo
 214 warning: garbage found: .git/objects/pack/foo.bar
 215 warning: no corresponding .idx or .pack: .git/objects/pack/fake2.keep
 216 warning: no corresponding .idx: .git/objects/pack/foo.keep
 217 warning: no corresponding .idx: .git/objects/pack/foo.pack
 218 warning: no corresponding .pack: .git/objects/pack/fake3.idx
 219 EOF
 220         test_cmp expected actual
 221 '
 222
 223 test_expect_success 'clean pack garbage with gc' '
 224         test_when_finished "rm -f .git/objects/pack/fake*" &&
 225         test_when_finished "rm -f .git/objects/pack/foo*" &&
 226         >.git/objects/pack/foo.keep &&
 227         >.git/objects/pack/foo.pack &&
 228         >.git/objects/pack/fake.idx &&
 229         >.git/objects/pack/fake2.keep &&
 230         >.git/objects/pack/fake2.idx &&
 231         >.git/objects/pack/fake3.keep &&
 232         git gc &&
 233         git count-objects -v 2>stderr &&
 234         grep "^warning:" stderr | sort >actual &&
 235         cat >expected <<\EOF &&
 236 warning: no corresponding .idx or .pack: .git/objects/pack/fake3.keep
 237 warning: no corresponding .idx: .git/objects/pack/foo.keep
 238 warning: no corresponding .idx: .git/objects/pack/foo.pack
 239 EOF
 240         test_cmp expected actual
 241 '
 242
 243 test_expect_success 'prune .git/shallow' '
 244         oid=$(echo hi|git commit-tree HEAD^{tree}) &&
 245         echo $oid >.git/shallow &&
 246         git prune --dry-run >out &&
 247         grep $oid .git/shallow &&
 248         grep $oid out &&
 249         git prune &&
 250         test_path_is_missing .git/shallow
 251 '
 252
 253 test_expect_success 'prune .git/shallow when there are no loose objects' '
 254         oid=$(echo hi|git commit-tree HEAD^{tree}) &&
 255         echo $oid >.git/shallow &&
 256         git update-ref refs/heads/shallow-tip $oid &&
 257         git repack -ad &&
 258         # verify assumption that all loose objects are gone
 259         git count-objects | grep ^0 &&
 260         git prune &&
 261         echo $oid >expect &&
 262         test_cmp expect .git/shallow
 263 '
 264
 265 test_expect_success 'prune: handle alternate object database' '
 266         test_create_repo A &&
 267         git -C A commit --allow-empty -m "initial commit" &&
 268         git clone --shared A B &&
 269         git -C B commit --allow-empty -m "next commit" &&
 270         git -C B prune
 271 '
 272
 273 test_expect_success 'prune: handle index in multiple worktrees' '
 274         git worktree add second-worktree &&
 275         echo "new blob for second-worktree" >second-worktree/blob &&
 276         git -C second-worktree add blob &&
 277         git prune --expire=now &&
 278         git -C second-worktree show :blob >actual &&
 279         test_cmp second-worktree/blob actual
 280 '
 281
 282 test_expect_success 'prune: handle HEAD in multiple worktrees' '
 283         git worktree add --detach third-worktree &&
 284         echo "new blob for third-worktree" >third-worktree/blob &&
 285         git -C third-worktree add blob &&
 286         git -C third-worktree commit -m "third" &&
 287         rm .git/worktrees/third-worktree/index &&
 288         test_must_fail git -C third-worktree show :blob &&
 289         git prune --expire=now &&
 290         git -C third-worktree show HEAD:blob >actual &&
 291         test_cmp third-worktree/blob actual
 292 '
 293
 294 test_expect_success 'prune: handle HEAD reflog in multiple worktrees' '
 295         git config core.logAllRefUpdates true &&
 296         echo "lost blob for third-worktree" >expected &&
 297         (
 298                 cd third-worktree &&
 299                 cat ../expected >blob &&
 300                 git add blob &&
 301                 git commit -m "second commit in third" &&
 302                 git clean -f && # Remove untracked left behind by deleting index
 303                 git reset --hard HEAD^
 304         ) &&
 305         git prune --expire=now &&
 306         oid=`git hash-object expected` &&
 307         git -C third-worktree show "$oid" >actual &&
 308         test_cmp expected actual
 309 '
 310
 311 test_expect_success 'prune: handle expire option correctly' '
 312         test_must_fail git prune --expire 2>error &&
 313         test_i18ngrep "requires a value" error &&
 314
 315         test_must_fail git prune --expire=nyah 2>error &&
 316         test_i18ngrep "malformed expiration" error &&
 317
 318         git prune --no-expire
 319 '
 320
 321 test_expect_success 'trivial prune with bitmaps enabled' '
 322         git repack -adb &&
 323         blob=$(echo bitmap-unreachable-blob | git hash-object -w --stdin) &&
 324         git prune --expire=now &&
 325         git cat-file -e HEAD &&
 326         test_must_fail git cat-file -e $blob
 327 '
 328
 329 test_expect_success 'old reachable-from-recent retained with bitmaps' '
 330         git repack -adb &&
 331         to_drop=$(echo bitmap-from-recent-1 | git hash-object -w --stdin) &&
 332         test-tool chmtime -86400 .git/objects/$(test_oid_to_path $to_drop) &&
 333         to_save=$(echo bitmap-from-recent-2 | git hash-object -w --stdin) &&
 334         test-tool chmtime -86400 .git/objects/$(test_oid_to_path $to_save) &&
 335         tree=$(printf "100644 blob $to_save\tfile\n" | git mktree) &&
 336         test-tool chmtime -86400 .git/objects/$(test_oid_to_path $tree) &&
 337         commit=$(echo foo | git commit-tree $tree) &&
 338         git prune --expire=12.hours.ago &&
 339         git cat-file -e $commit &&
 340         git cat-file -e $tree &&
 341         git cat-file -e $to_save &&
 342         test_must_fail git cat-file -e $to_drop
 343 '
 344
 345 test_done